FR3131411B1 - Method of manufacturing a contactless module having a finely adjustable inductance antenna coil - Google Patents

Method of manufacturing a contactless module having a finely adjustable inductance antenna coil Download PDF

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Publication number
FR3131411B1
FR3131411B1 FR2114517A FR2114517A FR3131411B1 FR 3131411 B1 FR3131411 B1 FR 3131411B1 FR 2114517 A FR2114517 A FR 2114517A FR 2114517 A FR2114517 A FR 2114517A FR 3131411 B1 FR3131411 B1 FR 3131411B1
Authority
FR
France
Prior art keywords
antenna coil
turns
manufacturing
contactless module
group
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
FR2114517A
Other languages
French (fr)
Other versions
FR3131411A1 (en
Inventor
Ghislain Boiron
Jean-Pierre Enguent
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wisekey Semiconductors SAS
Original Assignee
Wisekey Semiconductors SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wisekey Semiconductors SAS filed Critical Wisekey Semiconductors SAS
Priority to FR2114517A priority Critical patent/FR3131411B1/en
Priority to PCT/FR2022/052314 priority patent/WO2023118684A1/en
Publication of FR3131411A1 publication Critical patent/FR3131411A1/en
Application granted granted Critical
Publication of FR3131411B1 publication Critical patent/FR3131411B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07745—Mounting details of integrated circuit chips
    • G06K19/07747—Mounting details of integrated circuit chips at least one of the integrated circuit chips being mounted as a module
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
    • G06K19/0726—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs the arrangement including a circuit for tuning the resonance frequency of an antenna on the record carrier
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G06K19/07773—Antenna details
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G06K19/07773—Antenna details
    • G06K19/07775—Antenna details the antenna being on-chip
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G06K19/07773—Antenna details
    • G06K19/07777—Antenna details the antenna being of the inductive type
    • G06K19/07779—Antenna details the antenna being of the inductive type the inductive antenna being a coil
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G06K19/07773—Antenna details
    • G06K19/07777—Antenna details the antenna being of the inductive type
    • G06K19/07779—Antenna details the antenna being of the inductive type the inductive antenna being a coil
    • G06K19/07783—Antenna details the antenna being of the inductive type the inductive antenna being a coil the coil being planar

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)
  • Details Of Aerials (AREA)

Abstract

Procédé de fabrication d’un module sans contact ayant une bobine d'antenne à inductance finement ajustable L’invention concerne un module sans contact (M3) comprenant un microcircuit (MC) connecté à une bobine d’antenne (A3) comportant un premier groupe de spires (L1-L6), une zone centrale (CA) délimitée par le contour d’une spire intérieure (L6) du premier groupe de spires, des plages de connexion extérieure (EP) et intérieure (IP) de la bobine d’antenne formées dans la zone centrale (CA) de la bobine d’antenne, et un second groupe de spires (L7, L8) à l’intérieur de la zone centrale, chaque spire du second groupe de spires comprenant des portions de spires qui se trouvent à des distances variables de la spire de rang précédent. Figure pour l’abrégé : 4BMethod for manufacturing a contactless module having a finely adjustable inductance antenna coil. The invention relates to a contactless module (M3) comprising a microcircuit (MC) connected to an antenna coil (A3) comprising a first group of turns (L1-L6), a central zone (CA) delimited by the contour of an interior turn (L6) of the first group of turns, exterior (EP) and interior (IP) connection areas of the coil antenna formed in the central zone (CA) of the antenna coil, and a second group of turns (L7, L8) inside the central zone, each turn of the second group of turns comprising portions of turns which are found at variable distances from the turn of previous rank. Figure for abstract: 4B

FR2114517A 2021-12-24 2021-12-24 Method of manufacturing a contactless module having a finely adjustable inductance antenna coil Active FR3131411B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR2114517A FR3131411B1 (en) 2021-12-24 2021-12-24 Method of manufacturing a contactless module having a finely adjustable inductance antenna coil
PCT/FR2022/052314 WO2023118684A1 (en) 2021-12-24 2022-12-12 Method for manufacturing contactless module having an antenna coil with finely adjustable inductance

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2114517A FR3131411B1 (en) 2021-12-24 2021-12-24 Method of manufacturing a contactless module having a finely adjustable inductance antenna coil
FR2114517 2021-12-24

Publications (2)

Publication Number Publication Date
FR3131411A1 FR3131411A1 (en) 2023-06-30
FR3131411B1 true FR3131411B1 (en) 2024-01-05

Family

ID=81580884

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2114517A Active FR3131411B1 (en) 2021-12-24 2021-12-24 Method of manufacturing a contactless module having a finely adjustable inductance antenna coil

Country Status (2)

Country Link
FR (1) FR3131411B1 (en)
WO (1) WO2023118684A1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2992761B1 (en) 2012-07-02 2015-05-29 Inside Secure METHOD FOR MANUFACTURING CONTACTLESS MICROCIRCUIT
JP6090006B2 (en) * 2013-06-25 2017-03-08 凸版印刷株式会社 IC module, dual IC card and IC module manufacturing method
WO2017191373A1 (en) * 2016-05-01 2017-11-09 Smart Packaging Solutions (S.P.S.) Electronic module of small size for a chip card
FR3074335B1 (en) * 2017-11-24 2019-10-18 Smart Packaging Solutions ELECTRONIC MODULE WITH OPTIMIZED ANTENNA FOR A CHIP CARD WITH A DOUBLE COMMUNICATION INTERFACE
FR3088515B1 (en) * 2018-11-08 2022-01-28 Smart Packaging Solutions ELECTRONIC MODULE FOR CHIP CARD
FR3105857B1 (en) * 2019-12-31 2022-10-14 Smart Packaging Solutions Electronic module with antenna optimized for smart card with dual communication interface

Also Published As

Publication number Publication date
FR3131411A1 (en) 2023-06-30
WO2023118684A1 (en) 2023-06-29

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